ngx_http_limit_req_delay   52 http/modules/ngx_http_limit_req_module.c static void ngx_http_limit_req_delay(ngx_http_request_t *r);
ngx_http_limit_req_delay  261 http/modules/ngx_http_limit_req_module.c     r->write_event_handler = ngx_http_limit_req_delay;